23001772 has 6 divisors (see below), whose sum is σ = 40253108. Its totient is φ = 11500884.

The previous prime is 23001767. The next prime is 23001773. The reversal of 23001772 is 27710032.

It is a super-4 number, since 4×23001772⁴ (a number of 31 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (23001773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2875218 + ... + 2875225.

Almost surely, 2^23001772 is an apocalyptic number.

It is an amenable number.

23001772 is a deficient number, since it is larger than the sum of its proper divisors (17251336).

23001772 is a wasteful number, since it uses less digits than its factorization.

23001772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5750447 (or 5750445 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 22.

The square root of 23001772 is about 4796.0162635254. The cubic root of 23001772 is about 284.3940011777.

The spelling of 23001772 in words is "twenty-three million, one thousand, seven hundred seventy-two".